of at STP is reacted with of at STP. The volume of produced at STP is: — Mole Concept and Some Basic Concepts of Chemistry Chemistry Question
Question
$1 \text{ L}$ of $O_2$ at STP is reacted with $3 \text{ L}$ of $CO$ at STP. The volume of $CO_2$ produced at STP is:
Answer: B
💡 Solution & Explanation
$2CO + O_2 \rightarrow 2CO_2$. <br>Ratio $2:1 \rightarrow 2$. <br>$1 \text{ L } O_2$ needs $2 \text{ L } CO$. We have $3 \text{ L } CO$, so $O_2$ is limiting. <br>$\text{Volume } CO_2 = 2 \times 1 = 2 \text{ L}$.
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